What Kind of Face Masks Are Best?
The importance of wearing a mask has been repeatedly stressed throughout the Covid-19 pandemic. It may have become all the more relevant now, with 239 scientists having...
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What Causes a Cold?
What Causes a Cold? Common colds are caused by a type of germ known as a cold virus. This germ infects your nose and throat, causing you to sneeze and sniffle, and your...
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